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Old 11-10-2010, 12:12 PM
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biknut biknut is online now
Motorized Bicycle Elite Member
Join Date: Sep 2010
Location: Dallas
Posts: 6,280
Default Re: needs MOAR powah

I think you can get a little more out of it considering you got the big motor. If you feel your tuning it good you'll probably do better with taller gearing.

I have a 48cc with 40T sprocket, and standard carb. I weigh 215 lbs, and my bike about 60 lbs. I have very minor port work on the manifolds, $12 air cleaner, and a 68 jet.

My bike will pull 28 up a slight grade, and on slight down hill I've hit 33, but it took 2 blocks to do it. On most slight down grades I can see 30. Your bike might do alright with a 36T, but mine has so little torque I don't think I would be happy with less than my 40.
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